code: def rand(min_=0, max_=1):
      return np.random.uniform(low=min_, high=max_)
  
file_path: PaddleHub/modules/text/language_model/lda_webpage/util.py
imports: import time
  import yaml
  import numpy
  from paddlehub.common.logger import logger
  from lda_webpage.config import ModelType
label_desc: Use image node_id 3 for calling a global function with example usage: rand(min_, max_) and returns: np